20440413026 has 16 divisors (see below), whose sum is σ = 33453509760. Its totient is φ = 9289552080.

The previous prime is 20440413023. The next prime is 20440413031. The reversal of 20440413026 is 62031404402.

It is a junction number, because it is equal to n+sod(n) for n = 20440412986 and 20440413004.

It is not an unprimeable number, because it can be changed into a prime (20440413023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63815 + ... + 212021.

It is an arithmetic number, because the mean of its divisors is an integer number (2090844360).

Almost surely, 2^20440413026 is an apocalyptic number.

20440413026 is a deficient number, since it is larger than the sum of its proper divisors (13013096734).

20440413026 is a wasteful number, since it uses less digits than its factorization.

20440413026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154489.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20440413026 its reverse (62031404402), we get a palindrome (82471817428).

The spelling of 20440413026 in words is "twenty billion, four hundred forty million, four hundred thirteen thousand, twenty-six".